urgent - problem in deployment of .sda file in j2ee engine remotly

HI all

I query is , when i m trying to deploy the .sda file in to the J2ee engine , it is not deploying .It giving the following error:

Oct 17, 2005 3:53:23 PM /userOut/deploy (com.sap.ide.eclipse.sdm.threading.DeployThreadManager) [Thread[Deploy Thread,5,main]] ERROR:

[008]Deployment aborted

Deployment exception : Cannot determine sdm host (is empty). Please configure your engine/sdm correctly !

But I had configured the remote j2ee engine correctly (I had given the host and port name ).

Can anyone suggest what should be done .

Thanks

shashank

Urs Answer must be appreciate